What is expand-(10x)/((x^2+1)^2) ?

The solution to expand-(10x)/((x^2+1)^2) is -(10x)/(x^4+2x^2+1)

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expand-(10x)/((x^2+1)^2)

expand

- \frac{10 x}{( x ^{2} + 1 ) ^{2}}

- \frac{10 x}{x ^{4} + 2 x ^{2} + 1}

Solution steps

- \frac{10 x}{( x ^{2} + 1 ) ^{2}}

(x^{2} + 1)^{2} = x^{4} + 2 x^{2} + 1

= - \frac{10 x}{x ^{4} + 2 x ^{2} + 1}

(5 x^{\frac{1}{4}} + 2) (5 x^{\frac{1}{4}} - 2)

A (0, 3) B (0, - 3)

c (- 1, 3) a (4, - 1)

(x + \frac{1}{3})^{2}

2 (6 x + 5 y = 4)

What is expand-(10x)/((x^2+1)^2) ?
The solution to expand-(10x)/((x^2+1)^2) is -(10x)/(x^4+2x^2+1)